Add: 5(0.5k−1)+2(0.4−k) . Answer should be in decimal form.

Answer 1

To simplify the given expression, we will distribute the coefficients:

5(0.5k - 1) + 2(0.4 - k)

= 2.5k - 5 + 0.8 - 2k

= (2.5k - 2k) + (0.8 - 5)

= 0.5k - 4.2

So, the simplified expression in decimal form is 0.5k - 4.2.